<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <ul>
        <li>11111</li>
        <li>11111</li>
        <li>
            <ul>
                <li>aaa</li>
                <li>
                    <ul>
                        <li>事实上</li>
                        <li>事实上</li>
                        <li>事实上</li>
                        <li>事实上</li>
                    </ul>
                </li>
                <li>aaa</li>
            </ul>
        </li>
        <li>11111</li>
    </ul>
    <hr>
    <ol>
        <li>aaa</li>
        <li>aaa</li>
        <li>aaa</li>
        <li>aaa</li>
    </ol>
    <hr>
    <ul>
        <h1>2222</h1>
        <p>333</p>
        <li>2222</li>
        <li>444</li>
    </ul>
    <hr>
    <!-- define list -->
    <dl>
        <!-- define title -->
        <dt>苹果</dt>
        <!-- define desc -->
        <dd>可以吃</dd>
        <dd>甜的</dd>
        <dd>红的</dd>

        <dt>定义名字</dt>
        <dd>111</dd>
    </dl>
</body>
</html>